function for verifying email credentials

back/mailer.js

@@ -161,4 +161,39 @@ const scheduleEmails = (() => {
  };
 })();
 
-module.exports = { scheduleEmails, email, sendPending };
+
+/**
+ * Check whether email and password match when sending SMTP
+ * @param emailSettings 
+ * @returns Error object or true
+ */
+const verifyEmailCredentials = (emailSettings) => {
+ try {
+
+ const transporter = nodemailer.createTransport({
+ name: 'tasera.fi',
+ host: emailSettings.host,
+ port: emailSettings.port,
+ secure: emailSettings.secure === 'true',
+ auth: {
+ user: emailSettings.user,
+ pass: emailSettings.pass,
+ }
+ });
+
+ transporter.verify(function (error, success) {
+ if (error) {
+ console.log("verifyEmailCredentials failed:", error);
+ return false;
+ } else {
+ console.log("verifyEmailCredentials success:", success);
+ return true;
+ }
+ });
+ } catch (err) {
+ console.error("verifyEmailCredentials error:", err)
+ }
+
+}
+
+module.exports = { scheduleEmails, email, sendPending, verifyEmailCredentials };